164 search results - page 1 / 33 » Complex ICA Using Nonlinear Functions |
TSP
2008
13 years 4 months ago
2008
We introduce a framework based on Wirtinger calculus for nonlinear complex-valued signal processing such that all computations can be directly carried out in the complex domain. Th...
ICASSP
2008
IEEE
13 years 11 months ago
2008
IEEE
The desirable asymptotic optimality properties of the maximum likelihood (ML) estimator make it an attractive solution for performing independent component analysis (ICA) as well....
ICA
2010
Springer
13 years 2 months ago
2010
Springer
Abstract. In this paper, we consider the Independent Component Analysis problem when the hidden sources are non-negative (Non-negative ICA). This problem is formulated as a non-lin...
ICA
2007
Springer
13 years 10 months ago
2007
Springer
In this paper, we propose to use the Huber M-estimator cost function as a contrast function within the complex FastICA algorithm of Bingham and Hyvarinen for the blind separation o...
ICA
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Independent component analysis (ICA) of functional magnetic resonance imaging (fMRI) data is commonly carried out under the assumption that each source may be represented...